/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Mechanics/ConstructionPlaneMechanic.h
Sets the plane without broadcasting OnPlaneChanged. Useful when the user of the tool wants to change the plane through some other means. Better than setting the Plane field directly because this function properly deals with the gizmo.
void SetPlaneWithoutBroadcast ( const [UE::Geometry::FFrame3d](API\Runtime\GeometryCore\FFrame3d_1) & Plane )